A sphere of known size and density is allowed to descend through the liquid. The evo expert series is a modern, highquality viscometer that provides optimal performance in the testing of sample fluids. Saybolt universal viscosity is specified by the astm d2161. Easy to use interface allows operators to change test parameters easily and test like a pro no time. Viscosidad cinematica con viscosimetro saybolt youtube. Both tests are considered obsolete to other measures of kinematic viscosity, but their results are quoted widely in technical literature. It is extensively used worldwide in both the field and laboratory for precisely measuring the rheological properties of drilling fluids and cement. If correctly selected, it reaches terminal velocity, which can be measured by the time it takes to pass two marks on the tube. Saybolt viscosity bath accurately determines the viscosity of petroleum liquids at temperatures from ambient to 464f 240c.
Designed with a tft color screen and an intuitive touchpad, the evo expert also includes lightup led features for greater ease of use, a typea 2. Pdf bano saybolt viscosimetro espanol jose antonio. Stokes law is the basis of the fallingsphere viscometer, in which the fluid is stationary in a vertical glass tube. Scribd is the worlds largest social reading and publishing site. Laboratories, quality business, drawing, metrology, calibration. Viscosidad instrumentacion industrial unexpo 2009i. Saybolt universal viscosity suv, and the related saybolt furol viscosity sfv, are specific standardised tests producing measures of kinematic viscosity. The dve combines economy and ease of operation with traditional brookfield excellence to provide reliable viscosity readings.
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